MCQ Questions for Class 7 Geography: Ch 2 Inside Our Earth

MCQ Questions for Class 7 Geography: Ch 2 Inside Our Earth

1. The innermost layer of the earth is
(a) Mantle
(b) Sima
(c) Crust
(d) Core
► (d) Core

2. Red fort is made up of
(a) Red sandstone
(b) Black sandstone
(c) Red marble
(d) Black marble
► (a) Red sandstone

3. ____ rocks are hard where ____ rocks are soft.
(a) sedimentary, lava
(b) sedimentary, magma
(c) sedimentary, igneous
(d) igneous, sedimentary
► (d) igneous, sedimentary

4. The molten magma cools down deep inside the earth's crust. Solid rocks so formed are called
(a) Intrusive Sedimentary rocks
(b) Intrusive Metamorphic rocks
(c) Extrusive igneous rocks
(d) Intrusive igneous rocks
► (d) Intrusive igneous rocks

5. Lithosphere is
(a) Mantle
(b) Magma
(c) Core
(d) Crust
► (d) Crust

6. Which layer is having a radius of about 3500 km
(a) Sial
(b) Crust
(c) Outer core
(d) Mantle
► (c) Outer core

7. Fossils are the remains of dead _______
(a) Plants
(b) Animals
(c) Both a and b
(d) None of the above
► (c) Both a and b

8. The remains of the dead plants and animals trapped in the layers of rocks are called
(a) Rocks
(b) Conventional
(c) Fossils
(d) Minerals
► (c) Fossils

9. The Taj Mahal is made of
(a) White marble
(b) Black marble
(c) Red marble
(d) Yellow marble
► (a) White marble

10. Like an onion, the Earth is made up of several concentric layers (one inside the other). What is the uppermost layer of Earth called?
(a) Mantle
(b) Core
(c) Crust
(d) Magma
► (c) Crust

11. Sandstone is made from
(a) Grains of soil
(b) Grains of plants
(c) Grains of water
(d) Grains of sand
► (d) Grains of sand

12. The main mineral constituents of the continental mass are
(a) Silica and alcohol
(b) Silver and alcohol
(c) Silver and alumina
(d) Silica and alumina
► (d) Silica and alumina

13. When magma from deep below forces its way up to earths surface, it is called
(a) Sand
(b) Marble
(c) Sediments
(d) Volcano
► (d) Volcano

14. Thinnest layer of the earth is
(a) Crust
(b) Nife
(c) Core
(d) Mantle
► (a) Crust

15. Which type of rocks is called primary rocks
(a) Fossils
(b) Igneous
(c) Metamorphic
(d) Sedimentary
► (b) Igneous

16. Rocks roll down, crack, and hit each other and are broken down into small fragments. These smaller particles are called
(a) Sediments
(b) Sand
(c) Piece
(d) Units
► (a) Sediments

17. There are three major types of rocks except
(a) Metamorphic rocks
(b) Sedimentary rocks
(c) Igneous rocks
(d) Mantle rocks
► (d) Mantle rocks

18. Silica and magnesium are the constituents of
(a) Rock
(b) Inner Core
(c) Outer Core
(d) Mantle
► (d) Mantle

19. ______ minerals are found in the continental masses
(a) Silica and alumina
(b) Silica and magnesium
(c) Nickel and iron
(d) Silica and iron
► (a) Silica and alumina

20. What happens when igneous and sedimentary rocks go under heat and pressure
(a) They change into graphite
(b) They change into fossils
(c) They change into metamorphic rocks
(d) They change into minerals
► (c) They change into metamorphic rocks
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